Iron

Iron is a nutrient that plays many important roles in your body, including keeping you healthy and full of energy. Low iron levels are common, and they can cause unpleasant symptoms such as fatigue, poor concentration, and frequent periods of illness. However, iron deficiency is easy to spot and diagnose, especially in its early stages. As such, iron supplements are a great way to reverse a deficiency, especially if diet changes alone are unsuccessful or unfeasible.